33VM82-230-5 by Pacific Scientific

The Pacific Scientific 33VM82-230-5 servomotor from Pacific Scientific is a high-performance member of the Low Inertia PMDC Servomotors series, engineered for demanding industrial automation and precision motion control applications. Featuring a hollow rotor and narrow air gap design, this unit delivers high throughput while maintaining exceptional responsiveness. It supports rapid acceleration and deceleration with minimal overshoot, making it well suited for semiconductor manufacturing, wire bonding, and PCB drilling operations. The 33VM82-230-5 offers consistent, repeatable performance through precise speed regulation and robust construction. Its air-ventilated cooling system ensures reliable thermal management even under continuous duty cycles.

This PMDC motor integrates a suite of critical technical specifications for optimized operation. It operates at a Rated Voltage of 230 V with a Rated Current of 5 A and delivers a No-load Speed of ~3000 rpm. The motor produces a Rated Torque of 0.8 Nm and supports an Output Power range of 0.6-0.8 kW. Mechanical inertia is maintained at <=0.01 kg*m2 to reduce settling time, while the Shaft Diameter of 8 mm and Weight of 5 kg contribute to its compact footprint. Efficiency is approximately 85% at rated load, and the motor type is specified as Permanent Magnet DC (PMDC). Mounting is via a Foot mount arrangement to facilitate straightforward integration into existing systems.

Operational features reinforce the 33VM82-230-5’s industrial suitability. The unit uses sealed ball bearings to minimize maintenance and extend service life. Commutation is achieved with carbon brushes made from Alnico V-7, supporting high peak current pulses without demagnetization. An air-ventilated cooling scheme employs baffles at the inlet and outlet to optimize airflow and heat dissipation. The design accommodates a continuous duty cycle and intermittent high-torque demands, ensuring reliable performance under varying load profiles. An integrated analog tachometer provision enhances power dissipation and feedback accuracy for closed-loop control.

System integration is streamlined for factory automation and precision machinery. The 33VM82-230-5 is compatible with standard encoder mounting provisions, allowing seamless connectivity to motion controllers and drives. Its robust construction and compliance with CE low-voltage directives make it suitable for industrial environments requiring high reliability and safety. Ideal target applications include semiconductor wafer spinning, component insertion, high-speed pick-and-place, and CNC machine tool axes, where precision, repeatability, and rapid dynamic response are critical.